/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraEditorModule.h
bool PollSystemCompile ( [FNiagaraCompilationTaskHandle](API\Plugins\Niagara\FNiagaraCompilationTaskHandle), [FNiagaraSystemAsyncCompileResults](API\Plugins\Niagara\FNiagaraSystemAsyncCompileResult-) &, bool, bool )